#include <stdio.h>
int main(){
	int i = 0;
	printf("NO 1\n");
	for(i = 0;i <= 100;i++){
		if(i % 2 == 1){
			printf("i= %d \n",i);
			}
	}
	printf("NO 2\n");
	for(i = 0;i <= 49;i++){
			printf("i = %d\n",i*2+1);
	}
	printf("NO 3\n");
	for(i = 1;i <= 100;i+=2){
		printf("i = %d \n",i);
	}
}
